The Seiko 7N42-0CA0 is a watch model based on the 7N42 movement.
Parts List
| 290P38HN02 | crystal - crystal (inorganic) |
| 8K50E6TNA1 | crown - crown |
| 8K50E6SNG3 | crown - crown (3h) |
| FE298BAD2 | case back gasket - case back gasket |
| 86565321 | crystal gasket - plastic gasket for crystal |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 86178690 | bezel gasket - plastic gasket for bezel |
| 33T0VM | band - band |
| 33T0VM-LK | band - link |
| 33T0WM-LK | band - link |
| 33T0WM | band - band |
| 33T0WM-BK | clasp - buckle |
| 33T0WM-PB | clasp - parts for buckle |
| 33T0VM-BK | clasp - buckle |
| 33T0VM-PB | clasp - parts for buckle |
| 3AX130F0AES | others - second hand |
| 3AX130F0AEG | others - second hand |
| 1AF075ABBEG | others - hour hand |
| 1AF075ABBES | others - hour hand |
| 2BF115A2BES | others - minute hand |
| 2BF115A2BEG | others - minute hand |
| 82738200 | others - case ring |
| 7N420CA001B | others - case |
| 85934384 | others - bezel |
| 7N420CA0 | others - case back |
| 0351892 | others - winding stem |
| AD006BAD1 | others - crown and stem gasket |
| 81190075 | others - bracelet fixing pipe |
| 81607679 | others - bracelet fixing pin |
| 7N420CA002B | others - case |
| 0878580 | others - date dial |
| 85934385 | others - bezel |
| 7N420DT8XB14 | others - dial |
| 7N420DT8XS13 | others - dial |
| 7N423 | others - machine code |